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ThoughtProof

thoughtproof-mcp

Official
by ThoughtProof

thoughtproof-mcp

npm version CI License: MIT

MCP server for ThoughtProof — verify AI reasoning with adversarial multi-model consensus.

Multiple independent reasoning models (SERV Reasoning panel) evaluate every claim. A dedicated red-team model critiques their verdicts. A synthesizer weighs everything and returns ALLOW, BLOCK, or UNCERTAIN with confidence score and objections.

Quick Start

{
  "mcpServers": {
    "thoughtproof": {
      "command": "npx",
      "args": ["-y", "thoughtproof-mcp"],
      "env": {
        "THOUGHTPROOF_API_KEY": "tp_op_your_key_here"
      }
    }
  }
}

Works with Claude Desktop, Cursor, Windsurf, Cline, and any MCP-compatible client.

Related MCP server: happy-thoughts

Tools

verify_claim

Verify any claim or AI-generated reasoning before acting on it.

Parameter

Type

Default

Description

claim

string

(required)

The text to verify

stakeLevel

low / medium / high / critical

medium

Risk level — higher stakes trigger deeper verification

domain

financial / medical / legal / code / general

general

Domain context for specialized verification

speed

fast / standard / deep

standard

Verification depth

check_agent_score

Look up an agent's composite trust score on the ERC-8004 registry.

Parameter

Type

Description

agentId

string

Agent ID to look up

domain

string

Optional domain filter

Example

In Claude Desktop or Cursor, just ask:

"Verify the claim: GPT-5 achieves 95% accuracy on MMLU-Pro"

The tool returns:

⚠️ UNCERTAIN (42% confidence)

Claim: "GPT-5 achieves 95% accuracy on MMLU-Pro"

Objections:
- Insufficient public benchmark data to confirm
- Historical accuracy claims have been overstated
- MMLU-Pro methodology has known ceiling effects

⚡ 3.2s | Adversarial Multi-Model Consensus

How It Works

Your AI Agent
    │
    ▼
┌──────────────────┐
│  thoughtproof-mcp │  ← MCP Server (this package)
└──────────────────┘
    │
    ▼
┌──────────────────┐
│  ThoughtProof API │  ← api.thoughtproof.ai (RV)
└──────────────────┘
    │
    ▼
┌───────────────────────────────────────────┐
│  Stage 1: Independent Evaluation       │
│  Multiple reasoning models (SERV        │
│  panel) each examine the claim          │
│                                         │
│  Stage 2: Red-Team Critique             │
│  1 dedicated model challenges all       │
│  initial verdicts                        │
│                                         │
│  Stage 3: Synthesis                     │
│  Synthesizer weighs verdicts + critique │
│  → final decision                       │
└───────────────────────────────────────────┘
    │
    ▼
  ALLOW / BLOCK / UNCERTAIN
  + confidence % + objections

Pricing

Speed

Models

Cost per verification

fast

2

$0.008

standard

4

$0.02

deep

5+

$0.08

Payment: API key (operator account) or x402 micropayment (USDC on Base).

API Key

Get an operator API key at thoughtproof.ai. Without a key, verifications use x402 micropayments automatically.

Configuration

Environment Variable

Default

Description

THOUGHTPROOF_API_KEY

(none)

Operator API key

THOUGHTPROOF_BASE_URL

https://api.thoughtproof.ai

API base URL

Development

git clone https://github.com/ThoughtProof/thoughtproof-mcp.git
cd thoughtproof-mcp
npm install
npm run build
npm test
npm run dev          # Run with tsx (hot reload)
npm run inspect      # Test with MCP Inspector

License

MIT — ThoughtProof

Install Server
A
license - permissive license
B
quality
B
maintenance

Maintenance

Maintainers
Response time
Release cycle
Releases (12mo)
Commit activity

Resources

Unclaimed servers have limited discoverability.

Looking for Admin?

If you are the server author, to access and configure the admin panel.

Related MCP Servers

View all related MCP servers

Related MCP Connectors

  • Reputation oracle for AI agents on Base: SAFE/CAUTION/BLOCK + 0-100 score before you pay. x402+MCP

  • 30 pay-per-call APIs for AI agents: compliance, trade, safety, web, data. USDC on Base via x402.

  • Preflight, approve, and prove consequential agent actions with signed evidence and x402 tools.

View all MCP Connectors

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